Manufacturer Part Number
SI4461-B1B-FMR
Manufacturer
Energy Micro (Silicon Labs)
Introduction
The SI4461-B1B-FMR is a high-performance, low-power, multi-channel, sub-GHz RF transceiver IC suitable for a wide range of wireless applications.
Product Features and Performance
Frequency range: 119MHz to 1.05GHz
Operating temperature: -40°C to 85°C
Supply voltage: 1.8V to 3.6V
Transmit current: 29mA to 43mA
Receive current: 10.7mA to 13.7mA
Maximum output power: 16dBm
Maximum data rate: 1Mbps
Sensitivity: -126dBm
Modulation: 4GFSK, GFSK, GMSK, OOK
4 GPIO pins
Product Advantages
Wide frequency range for versatile applications
Low power consumption for extended battery life
High output power and sensitivity for long-range communication
Multiple modulation schemes for flexible system design
Compact 20-QFN (4x4) package for space-constrained applications
Key Technical Parameters
Frequency range: 119MHz to 1.05GHz
Operating temperature: -40°C to 85°C
Supply voltage: 1.8V to 3.6V
Transmit current: 29mA to 43mA
Receive current: 10.7mA to 13.7mA
Maximum output power: 16dBm
Maximum data rate: 1Mbps
Sensitivity: -126dBm
Modulation: 4GFSK, GFSK, GMSK, OOK
4 GPIO pins
Quality and Safety Features
RoHS compliant
20-VFQFN Exposed Pad package
Compatibility
Compatible with a wide range of wireless applications and protocols in the sub-GHz ISM band
Application Areas
Industrial automation
Building automation
Smart home and IoT applications
Wireless sensor networks
Security and alarm systems
Wireless remote controls
Product Lifecycle
The SI4461-B1B-FMR is an actively supported product, and there are no plans for discontinuation.
Replacement and upgrade options are available from the manufacturer.
Key Reasons to Choose This Product
Wide frequency range for versatile applications
Low power consumption for extended battery life
High output power and sensitivity for long-range communication
Multiple modulation schemes for flexible system design
Compact package for space-constrained applications
RoHS compliance for environmental friendliness
Actively supported product with available replacement and upgrade options